1 c. light corn syrup
1 c. peanut butter (creamy or crunchy)
5 1/2 c. Rice Krispies
1 1/2 c. milk chocolate chips
1 c. butterscotch chips
1 T. butter
Measure Rice Krispies in a large bowl and set aside. Also, spray a 13 x 9" pan with non-stick spray and set aside.
In a saucepan bring sugar and corn syrup to a just to a boil (the sugar will be mostly dissolved.) Remove from heat. Stir in peanut butter and continue stirring until the peanut butter is completely melted.
Pour the mixture over the Rice Krispies and fold gently with a large spoon until cereal is coated evenly. Press into the 13 x 9" pan.
Melt the chocolate chips, butterscotch chips and butter either in a double boiler (or in the oven @ 185° using an oven safe bowl. Stir every 3 - 4 minutes until melted.)
When melted and smooth, pour over the Rice Krispie layer and spread evenly. Allow to cool until the bars are set.
Cut into 36 bars.